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WO2001062453A1 - Machine a decouper les matrices - Google Patents

Machine a decouper les matrices Download PDF

Info

Publication number
WO2001062453A1
WO2001062453A1 PCT/GB2001/000739 GB0100739W WO0162453A1 WO 2001062453 A1 WO2001062453 A1 WO 2001062453A1 GB 0100739 W GB0100739 W GB 0100739W WO 0162453 A1 WO0162453 A1 WO 0162453A1
Authority
WO
WIPO (PCT)
Prior art keywords
anvil
machine
charge
die
nip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/GB2001/000739
Other languages
English (en)
Inventor
John Anthony Sullivan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP2001561501A priority Critical patent/JP2003523838A/ja
Priority to AT01907895T priority patent/ATE288815T1/de
Priority to AU2001235763A priority patent/AU2001235763A1/en
Priority to DE60108846T priority patent/DE60108846D1/de
Priority to EP01907895A priority patent/EP1257395B1/fr
Publication of WO2001062453A1 publication Critical patent/WO2001062453A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps
    • Y10T83/0529—Blanking and cutting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/06—Blanking

Definitions

  • This invention concerns a rotary die-cutting machine of the kind (hereinafter termed of the kind referred to) wherein a stream of successive blanks of for example corrugated paper board are fed between a rotating die-cylinder and a rotating cylindrical anvil.
  • a rotary die-cutting machine of the kind referred to which is designed to encourage or develop the build-up of static charge on the anvil, whereby trim is drawn from the blanks being processed and carried away subsequently to fall or for removal from the anvil under the influence of gravity.
  • the present invention involves the deliberate build up electrical charge on the anvil so that the trim can be drawn from the blanks for subsequent release from the surface of this anvil, e.g. under the influence of gravity or by scraping clean the anvil with mechanical means.
  • the anvil may have a" covering of polyurethane and be of different, e.g. smaller, diameter relative to that of the die-cylinder.
  • the anvil may be electrically isolated from ground.
  • the electrical charge may be developed on the anvil with the aid of an electrode located in the vicinity of the peripheral surface of the anvil, e.g. at a location in advance of the location at which the trim is cut loose and would otherwise fall away.
  • the electrical charge is developed on the anvil at or immediately upstream of the nip between the die-cylinder and the anvil.
  • the die-cutting machine comprises a die-cylinder 10 which is rotatable about axis Al and mounts tools 11, e.g. cutting knives, and a cylindrical anvil 12 which is rotatable about axis A2.
  • the anvil has an outer sleeve 13 of a suitable electrically insulating material, preferably a polyurethane material.
  • the cylinder 10 is of large diameter relative to that of the anvil 12 although this need not be the case for other embodiments of the invention. Typically the ratio of the two diameters might be 3 : 1.
  • Blanks B of corrugated paper board are stream fed through the nip between the cylinder 10 a id anvil 12 whereby shaped portions are cut therefrom for removal from the location of the nip.
  • the polyurethane sleeve 13 separates from the blanks B at high speed generating an electrostatic charge on the sleeve 13 which causes the shaped portions or trim 15 to adhere to the sleeve 13 and be drawn from the blanks B so that it can be carried downwardly to drop from the anvil under the influence of gravity at the bottom of the anvil 12 for collection and removal by a lateral conveyor 16, the direction of travel of which is generally parallel to the axes Al and A2.
  • the trim may detach from the anvil under the force of gravity
  • means may be provided for positively effecting removal of the trim from the anvil, e.g. a scraper blade 30.
  • the arrangement is desirably such that, by virtue of the electrostatic charge produced on the anvil, the trim adheres to the anvil for at least 90° from the nip as considered in the direction of rotation.
  • the scraper or the like 30 is typically located so as to co-operate with the anvil at a location below the horizontal plane passing through the axis A2, e.g. at a location which is about 180° past the nip.
  • the charge is developed on the anvil by virtue of the separation of the blanks B at high speed form the anvil.
  • This charging mechanism can be enhanced electronically and controlled to direct the trim as described.
  • the charge on the anvil may be developed primarily or wholly by a separate charging device to carry the trim away from the nip in the manner described.
  • a separate charging device is depicted by reference numeral 32 in the drawing and comprises an electrode 34 in the form of a wire which is located adjacent the peripheral surface of the anvil and extends substantially parallel with the axis A2.
  • the use of such a 'device' allows controlled charging of the anvil independently of ambient factors such as relative humidity of the air and/or moisture content of the material forming the blanks B.
  • the charge developed may be selectively varied according to requirements, e.g. so that the trim 15 adheres to the anvil sufficiently to ensure that it does not fall away from the anvil until it has travelled at least 90° past the nip position whereby the trim can be deposited in an orderly fashion on the conveyor 16 or other collection point beneath the anvil.
  • High voltage is applied to the electrode 34 so as develop charge on the anvil by a suitable mechanism such as inducing charge or by corona, the charge being developed at a location which is upstream of the nip, e.g. 270° or more past the nip (in the direction of rotation).
  • the electrode 34 is mounted within a channel-shaped housing of the device 32 for safety reasons. Suitable charge generators which may be adaped for the purposes of the present invention are commercially available.
  • the anvil 12 is mounted in such a way that it is electrically isolated from earth whereby the static charge developed thereon is retained as required.
  • the anvil may be driven by a non-conducting transmission such as a toothed belt and be mounted in a bearing arrangement which ensures electrical isolation from earth.
  • dust-removal means such as a vacuum cleaning arrangement including ducting 36 having an outlet which overlies part of the periphery of the anvil.
  • charge neutralising means such as an "earthing device", e.g. a graphite brush 38, may be provided, e.g. in advance of the vacuum cleaning arrangement.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

L'invention concerne une machine à découper les matrices, et un procédé de découpage d'ébauches dans lequel les ébauches (B) passent entre un cylindre de matrice (10) et une enclume (12). Une charge statique est appliquée sur l'enclume (12) si bien que les rognures (15) éliminées de l'ébauche adhèrent à l'enclume (12) et sont évacuées loin du rouleau.
PCT/GB2001/000739 2000-02-25 2001-02-22 Machine a decouper les matrices Ceased WO2001062453A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001561501A JP2003523838A (ja) 2000-02-25 2001-02-22 回転打抜機
AT01907895T ATE288815T1 (de) 2000-02-25 2001-02-22 Rotationsstanzmaschine
AU2001235763A AU2001235763A1 (en) 2000-02-25 2001-02-22 Rotary die-cutting machine
DE60108846T DE60108846D1 (de) 2000-02-25 2001-02-22 Rotationsstanzmaschine
EP01907895A EP1257395B1 (fr) 2000-02-25 2001-02-22 Machine a decouper les matrices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0004345.5 2000-02-25
GBGB0004345.5A GB0004345D0 (en) 2000-02-25 2000-02-25 Rotary die-cutting machine

Publications (1)

Publication Number Publication Date
WO2001062453A1 true WO2001062453A1 (fr) 2001-08-30

Family

ID=9886296

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/000739 Ceased WO2001062453A1 (fr) 2000-02-25 2001-02-22 Machine a decouper les matrices

Country Status (8)

Country Link
US (1) US20020180113A1 (fr)
EP (1) EP1257395B1 (fr)
JP (1) JP2003523838A (fr)
AT (1) ATE288815T1 (fr)
AU (1) AU2001235763A1 (fr)
DE (1) DE60108846D1 (fr)
GB (1) GB0004345D0 (fr)
WO (1) WO2001062453A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101152722B (zh) * 2006-09-30 2011-06-15 山东威高集团医用高分子制品股份有限公司 医用软管切割装置
JP5001697B2 (ja) * 2007-03-29 2012-08-15 大王製紙株式会社 吸収性物品の製品カッター装置
USD585081S1 (en) * 2008-06-06 2009-01-20 Ellison Educational Equipment, Inc. Motorized roller die cutting machine
US8863627B2 (en) * 2011-03-18 2014-10-21 The Procter & Gamble Company Anvil roll system and method
JP6356980B2 (ja) * 2014-03-04 2018-07-11 花王株式会社 吸収体の製造方法及び製造装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449482A (en) * 1993-02-17 1995-09-12 Machine-Service Nv, Naamloze Vennootschap Method for perforating foil and device using this method
WO1999015299A1 (fr) * 1997-09-26 1999-04-01 Eltron International, Inc. Machine a stratifier imprimante

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1514861A (fr) * 1966-03-17 1968-05-16 Bliss E W Co Procédé et dispositif de perforation et de découpage d'une bande en mouvement rapide
US3763748A (en) * 1972-05-18 1973-10-09 Harris Intertype Corp Corrugated paperboard slitter
US4003276A (en) * 1974-09-30 1977-01-18 Molins Machine Company, Inc. Slitter and dust collector therefor
US4074599A (en) * 1976-07-14 1978-02-21 Wood Industries, Inc. Paper web perforating machine
US4289055A (en) * 1980-01-07 1981-09-15 Von Schriltz Don F Rotary die anvil
DE3417536A1 (de) * 1984-05-11 1985-11-14 Winkler & Dünnebier, Maschinenfabrik und Eisengießerei GmbH & Co KG, 5450 Neuwied Verfahren und vorrichtung zum ausschneiden von fenstern in briefumschlaegen
JPS6487187A (en) * 1987-09-26 1989-03-31 Kokusan Kogyo Kk Continuous cutter for flexible blank elongated by tensile force
US5140880A (en) * 1991-05-08 1992-08-25 Littleton Industrial Consultants, Inc. Push-pull apparatus and method for web cutting and trim strip removal
JP2567681Y2 (ja) * 1992-03-23 1998-04-02 株式会社大旺製作所 打抜き屑除去装置付きロータリー型穿孔装置
JP2574371Y2 (ja) * 1992-03-24 1998-06-11 北野商事株式会社 ロータリーダイカッタ
EP0568414B1 (fr) * 1992-04-23 1997-06-04 Fujikura Ltd. Dispositif et procédé pour la production de câble plat flexible par liage de matériaux en feuille
JPH06126696A (ja) * 1992-10-20 1994-05-10 Roland D G Kk カッティングプロッタ
JP3308645B2 (ja) * 1993-04-20 2002-07-29 トタニ技研工業株式会社 プラスチックフィルム溶断装置
DE69637951D1 (de) * 1995-04-05 2009-07-23 Nippon Telegraph & Telephone Vorrichtung zur Suche einer elektromagnetischen Störquelle
US5776289A (en) * 1995-09-29 1998-07-07 Tamarack Products, Inc. Apparatus and method for applying labels using static electrical attraction
JPH09168995A (ja) * 1995-12-18 1997-06-30 Ricoh Co Ltd 転写紙切断装置
US6202525B1 (en) * 1998-02-25 2001-03-20 Johns Manville International, Inc. Chopping apparatus
SE517288C2 (sv) * 1999-05-18 2002-05-21 Sca Hygiene Prod Ab Förfarande och anordning för att framställa materialbanor med anbringande diskreta materialbitar

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449482A (en) * 1993-02-17 1995-09-12 Machine-Service Nv, Naamloze Vennootschap Method for perforating foil and device using this method
WO1999015299A1 (fr) * 1997-09-26 1999-04-01 Eltron International, Inc. Machine a stratifier imprimante

Also Published As

Publication number Publication date
ATE288815T1 (de) 2005-02-15
JP2003523838A (ja) 2003-08-12
GB0004345D0 (en) 2000-04-12
EP1257395B1 (fr) 2005-02-09
US20020180113A1 (en) 2002-12-05
DE60108846D1 (de) 2005-03-17
EP1257395A1 (fr) 2002-11-20
AU2001235763A1 (en) 2001-09-03

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